path: root/iw/partition_gui.py

#
# partition_gui.py: allows the user to choose how to partition their disks
#
# Matt Wilson <msw@redhat.com>
# Michael Fulbright <msf@redhat.com>
#
# Copyright 2001 Red Hat, Inc.
#
# This software may be freely redistributed under the terms of the GNU
# library public license.
#
# You should have received a copy of the GNU Library Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#

import gobject
import gtk
import gnome.canvas
import pango
import autopart
import gui
import parted
import string
import copy
import types
import checklist
import raid
from iw_gui import *
from translate import _, N_
from partitioning import *
from partedUtils import *
from fsset import *

STRIPE_HEIGHT = 32.0
LOGICAL_INSET = 3.0
CANVAS_WIDTH_800 = 500
CANVAS_WIDTH_640 = 400
CANVAS_HEIGHT = 200
TREE_SPACING = 2

MODE_ADD = 1
MODE_EDIT = 2

# XXX this is made up and used by the size spinner; should just be set with
# a callback
MAX_PART_SIZE = 1024*1024*1024

class DiskStripeSlice:
    def eventHandler(self, widget, event):
        if event.type == gtk.gdk.BUTTON_PRESS:
            if event.button == 1:
                self.parent.selectSlice(self.partition, 1)
        elif event.type == gtk.gdk._2BUTTON_PRESS:
            self.editCb()
                
        return gtk.TRUE

    def shutDown(self):
        self.parent = None
        if self.group:
            self.group.destroy()
            self.group = None
        del self.partition

    def select(self):
        if self.partition.type != parted.PARTITION_EXTENDED:
            self.group.raise_to_top()
        self.box.set(outline_color="red")
        self.box.set(fill_color=self.selectColor())

    def deselect(self):
        self.box.set(outline_color="black", fill_color=self.fillColor())

    def getPartition(self):
        return self.partition

    def fillColor(self):
        if self.partition.type & parted.PARTITION_FREESPACE:
            return "grey88"
        return "white"

    def selectColor(self):
        if self.partition.type & parted.PARTITION_FREESPACE:
            return "cornsilk2"
        return "cornsilk1"

    def hideOrShowText(self):
        return
        if self.box.get_bounds()[2] < self.text.get_bounds()[2]:
            self.text.hide()
        else:
            self.text.show()

    def sliceText(self):
        if self.partition.type & parted.PARTITION_EXTENDED:
            return ""
        if self.partition.type & parted.PARTITION_FREESPACE:
            rc = "Free\n"
        else:
            rc = "%s\n" % (get_partition_name(self.partition),)
        rc = rc + "%d MB" % (getPartSizeMB(self.partition),)
        return rc

    def getDeviceName(self):
        return get_partition_name(self.partition)

    def update(self):
        disk = self.parent.getDisk()
        totalSectors = float(disk.dev.heads
                             * disk.dev.sectors
                             * disk.dev.cylinders)

        # XXX hack but will work for now
        if gtk.gdk.screen_width() > 640:
            width = CANVAS_WIDTH_800
        else:
            width = CANVAS_WIDTH_640

        xoffset = self.partition.geom.start / totalSectors * width
        xlength = self.partition.geom.length / totalSectors * width
        if self.partition.type & parted.PARTITION_LOGICAL:
            yoffset = 0.0 + LOGICAL_INSET
            yheight = STRIPE_HEIGHT - (LOGICAL_INSET * 2)
            texty = 0.0
        else:
            yoffset = 0.0
            yheight = STRIPE_HEIGHT
            texty = LOGICAL_INSET
        self.group.set(x=xoffset, y=yoffset)
        self.box.set(x1=0.0, y1=0.0, x2=xlength,
                     y2=yheight, fill_color=self.fillColor(),
                     outline_color='black', width_units=1.0)
        self.text.set(x=2.0, y=texty + 2.0, text=self.sliceText(),
                      fill_color='black',
                      anchor=gtk.ANCHOR_NW, clip=gtk.TRUE,
                      clip_width=xlength-1, clip_height=yheight-1)
        self.hideOrShowText()
       
    def __init__(self, parent, partition, treeView, editCb):
        self.text = None
        self.partition = partition
        self.parent = parent
        self.treeView = treeView
        self.editCb = editCb
        pgroup = parent.getGroup()

        self.group = pgroup.add(gnome.canvas.CanvasGroup)
        self.box = self.group.add(gnome.canvas.CanvasRect)
        self.group.connect("event", self.eventHandler)
        self.text = self.group.add(gnome.canvas.CanvasText,
                                    font="helvetica", size_points=8)
        self.update()

class DiskStripe:
    def __init__(self, drive, disk, group, tree, editCb):
        self.disk = disk
        self.group = group
        self.tree = tree
        self.drive = drive
        self.slices = []
        self.hash = {}
        self.editCb = editCb
        self.selected = None

        # XXX hack but will work for now
        if gtk.gdk.screen_width() > 640:
            width = CANVAS_WIDTH_800
        else:
            width = CANVAS_WIDTH_640
        
        group.add(gnome.canvas.CanvasRect, x1=0.0, y1=10.0, x2=width,
                  y2=STRIPE_HEIGHT, fill_color='green',
                  outline_color='grey71', width_units=1.0)
        group.lower_to_bottom()

    def shutDown(self):
        while self.slices:
            slice = self.slices.pop()
            slice.shutDown()
        if self.group:
            self.group.destroy()
            self.group = None
        del self.disk

    def holds(self, partition):
        return self.hash.has_key(partition)

    def getSlice(self, partition):
        return self.hash[partition]
   
    def getDisk(self):
        return self.disk

    def getDrive(self):
        return self.drive

    def getGroup(self):
        return self.group

    def selectSlice(self, partition, updateTree=0):
        self.deselect()
        slice = self.hash[partition]
        slice.select()

        # update selection of the tree
        if updateTree:
            self.tree.selectPartition(partition)
        self.selected = slice

    def deselect(self):
        if self.selected:
            self.selected.deselect()
        self.selected = None
    
    def add(self, partition):
        stripe = DiskStripeSlice(self, partition, self.tree, self.editCb)
        self.slices.append(stripe)
        self.hash[partition] = stripe

class DiskStripeGraph:
    def __init__(self, tree, editCb):
        self.canvas = gnome.canvas.Canvas()
        self.diskStripes = []
        self.textlabels = []
        self.tree = tree
        self.editCb = editCb
        self.next_ypos = 0.0

    def __del__(self):
        self.shutDown()
        
    def shutDown(self):
        # remove any circular references so we can clean up
        while self.diskStripes:
            stripe = self.diskStripes.pop()
            stripe.shutDown()

        while self.textlabels:
            lab = self.textlabels.pop()
            lab.destroy()

        self.next_ypos = 0.0

    def getCanvas(self):
        return self.canvas

    def selectSlice(self, partition):
        for stripe in self.diskStripes:
            stripe.deselect()
            if stripe.holds(partition):
                stripe.selectSlice(partition)

    def getSlice(self, partition):
        for stripe in self.diskStripes:
            if stripe.holds(partition):
                return stripe.getSlice(partition)

    def getDisk(self, partition):
        for stripe in self.diskStripes:
            if stripe.holds(partition):
                return stripe.getDisk()

    def add(self, drive, disk):
#        yoff = len(self.diskStripes) * (STRIPE_HEIGHT + 5)
        yoff = self.next_ypos
        text = self.canvas.root().add(gnome.canvas.CanvasText,
                                      x=0.0, y=yoff,
                                      font="sans",
                                      size_points=9)
        drivetext = ("Drive %s (Geom: %s/%s/%s) "
                     "(Model: %s)") % ('/dev/' + drive,
                                       disk.dev.cylinders,
                                       disk.dev.heads,
                                       disk.dev.sectors,
                                       disk.dev.model)
        text.set(text=drivetext, fill_color='black', anchor=gtk.ANCHOR_NW,
                 weight=pango.WEIGHT_BOLD)
        (xxx1, yyy1, xxx2, yyy2) =  text.get_bounds()
        textheight = yyy2 - yyy1
        self.textlabels.append(text)
        group = self.canvas.root().add(gnome.canvas.CanvasGroup,
                                       x=0, y=yoff+textheight)
        stripe = DiskStripe(drive, disk, group, self.tree, self.editCb)
        self.diskStripes.append(stripe)
        self.next_ypos = self.next_ypos + STRIPE_HEIGHT+textheight+10
        return stripe

class DiskTreeModelHelper:
    def __init__(self, model, columns, iter):
        self.model = model
        self.iter = iter
        self.columns = columns

    def __getitem__(self, key):
        if type(key) == types.StringType:
            key = self.columns[key]
        try:
            return self.model.get_value(self.iter, key)
        except:
            return None

    def __setitem__(self, key, value):
        if type(key) == types.StringType:
            key = self.columns[key]
        self.model.set_value(self.iter, key, value)

class DiskTreeModel(gtk.TreeStore):
    isLeaf = -3
    isFormattable = -2
    
    # format: column header, type, x alignment, hide?, visibleKey
    titles = ((N_("Device"), gobject.TYPE_STRING, 0.0, 0, 0),
              (N_("Start"), gobject.TYPE_STRING, 1.0, 0, 1),
              (N_("End"), gobject.TYPE_STRING, 1.0, 0, 1),
              (N_("Size (MB)"), gobject.TYPE_STRING, 1.0, 0, isLeaf),
              (N_("Type"), gobject.TYPE_STRING, 0.0, 0, 0),
              (N_("Mount Point"), gobject.TYPE_STRING, 0.0, 0, isLeaf),
              (N_("Format"), gobject.TYPE_BOOLEAN, 0.0, 0, isFormattable),
              # the following must be the last two
              ("IsLeaf", gobject.TYPE_BOOLEAN, 0.0, 1, 0),
              ("IsFormattable", gobject.TYPE_BOOLEAN, 0.0, 1, 0),
              ("PyObject", gobject.TYPE_PYOBJECT, 0.0, 1, 0))
    
    def __init__(self):
        self.titleSlot = {}
        i = 0
        types = [self]
        self.columns = []
        for title, kind, alignment, hide, key in self.titles:
            self.titleSlot[title] = i
            types.append(kind)
            if hide:
                i += 1
                continue
            elif kind == gobject.TYPE_BOOLEAN:
                renderer = gtk.CellRendererToggle()
                propertyMapping = {'active': i}
            elif (kind == gobject.TYPE_STRING or
                  kind == gobject.TYPE_INT):
                renderer = gtk.CellRendererText()
                propertyMapping = {'text': i}

            # wire in the cells that we want only visible on leaf nodes to
            # the special leaf node column.
            if key < 0:
                propertyMapping['visible'] = len(self.titles) + key
                
            renderer.set_property('xalign', alignment)
            col = apply(gtk.TreeViewColumn, (_(title), renderer),
                        propertyMapping)
            self.columns.append(col)
            i += 1

        apply(gtk.TreeStore.__init__, types)

        self.view = gtk.TreeView(self)
        # append all of the columns
        map(self.view.append_column, self.columns)

    def getTreeView(self):
        return self.view

    def selectPartition(self, partition):
        pyobject = self.titleSlot['PyObject']
        iter = self.get_iter_root()
        next = 1
	parentstack = []
	parent = None
        # iterate over the list, looking for the current mouse selection
        while next:
            # if this is a parent node, get the first child and iter over them
            if self.iter_has_child(iter):
		parent = iter
                parentstack.append(parent)
                iter = self.iter_children(parent)
                continue
            # if it's not a parent node and the mouse matches, select it.
            elif self.get_value(iter, pyobject) == partition:
                path = self.get_path(parent)
                self.view.expand_row(path, gtk.TRUE)
                selection = self.view.get_selection()
                selection.unselect_all()
                selection.select_iter(iter)
                path = self.get_path(iter)
                col = self.view.get_column(0)
                self.view.set_cursor(path, col, gtk.FALSE)
                self.view.scroll_to_cell(path, col, gtk.TRUE, 0.5, 0.5)
                return
            # get the next row.
            next = self.iter_next(iter)
            # if there isn't a next row and we had a parent, go to the node
            # after the parent we've just gotten the children of.
            if not next and parent:
		while not next and parent:
		    next = self.iter_next(parent)
		    iter = parent
		    if len(parentstack) > 0:
			parent = parentstack.pop()

    def getCurrentPartition(self):
        selection = self.view.get_selection()
        rc = selection.get_selected()
        if rc:
            model, iter = rc
        else:
            return None

        pyobject = self.titleSlot['PyObject']
	try:
	    return self.get_value(iter, pyobject)
        except:
            return None

    def resetSelection(self):
        pass
##         selection = self.view.get_selection()
##         selection.set_mode(gtk.SELECTION_SINGLE)
##         selection.set_mode(gtk.SELECTION_BROWSE)

    def clear(self):
        selection = self.view.get_selection()
        selection.unselect_all()
        gtk.TreeStore.clear(self)
        
    def __getitem__(self, iter):
        if type(iter) == gtk.TreeIter:
            return DiskTreeModelHelper(self, self.titleSlot, iter)
        raise KeyError, iter


# this should probably go into a class
# some helper functions for build UI components
def createAlignedLabel(text):
    label = gtk.Label(text)
    label.set_alignment(0.0, 0.0)

    return label

def createMountPointCombo(request):
    mountCombo = gtk.Combo()
    mountCombo.set_popdown_strings(defaultMountPoints)

    mountpoint = request.mountpoint

    if request.fstype and request.fstype.isMountable():
        mountCombo.set_sensitive(1)
        if mountpoint:
            mountCombo.entry.set_text(mountpoint)
        else:
            mountCombo.entry.set_text("")
    else:
        mountCombo.entry.set_text(_("<Not Applicable>"))
        mountCombo.set_sensitive(0)

    mountCombo.set_data("saved_mntpt", None)

    return mountCombo

def setMntPtComboStateFromType(fstype, mountCombo):
    prevmountable = mountCombo.get_data("prevmountable")
    mountpoint = mountCombo.get_data("saved_mntpt")

    if prevmountable and fstype.isMountable():
        return

    if fstype.isMountable():
        mountCombo.set_sensitive(1)
        if mountpoint != None:
            mountCombo.entry.set_text(mountpoint)
        else:
            mountCombo.entry.set_text("")
    else:
        if mountCombo.entry.get_text() != _("<Not Applicable>"):
            mountCombo.set_data("saved_mntpt", mountCombo.entry.get_text())
        mountCombo.entry.set_text(_("<Not Applicable>"))
        mountCombo.set_sensitive(0)

    mountCombo.set_data("prevmountable", fstype.isMountable())
    
def fstypechangeCB(widget, mountCombo):
    fstype = widget.get_data("type")
    setMntPtComboStateFromType(fstype, mountCombo)

class DriveCheckList(checklist.CheckList):
    def __init__(self, columns, store):
	checklist.CheckList.__init__(self, columns=columns,
				     custom_store = store)

	selection = self.get_selection()
	selection.set_mode(gtk.SELECTION_NONE)

	# make checkbox column wider
	column = self.get_column(0)
	column.set_fixed_width(75)
	column.set_alignment(0.0)

class RaidCheckList(checklist.CheckList):
    def __init__(self, columns, store):
	checklist.CheckList.__init__(self, columns=columns,
				     custom_store = store)

	selection = self.get_selection()
	selection.set_mode(gtk.SELECTION_NONE)

	# make checkbox column wider
	column = self.get_column(0)
	column.set_fixed_width(75)
	column.set_alignment(0.0)

def createAllowedDrivesList(disks, reqdrives):
    store = gtk.TreeStore(gobject.TYPE_BOOLEAN,
			  gobject.TYPE_STRING,
			  gobject.TYPE_STRING,
			  gobject.TYPE_STRING)
    drivelist = DriveCheckList(3, store)

    driverow = 0
    drives = disks.keys()
    drives.sort()
    for drive in drives:
        size = getDeviceSizeMB(disks[drive].dev)
	selected = 0
        if reqdrives:
            if drive in reqdrives:
		selected = 1
        else:
	    selected = 1

	sizestr = "%8.0f MB" % size
	drivelist.append_row((drive, sizestr, disks[drive].dev.model),selected)

    return drivelist

def createAllowedRaidPartitionsList(allraidparts, reqraidpart):

    store = gtk.TreeStore(gobject.TYPE_BOOLEAN,
			  gobject.TYPE_STRING,
			  gobject.TYPE_STRING)
    partlist = RaidCheckList(2, store)

    sw = gtk.ScrolledWindow()
    sw.add(partlist)
    sw.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
    sw.set_shadow_type(gtk.SHADOW_IN)

    partrow = 0
    for part, size, used in allraidparts:
        partname = "%s" % part
	partsize = "%8.0f MB" % size
        if used or not reqraidpart:
            selected = 1
	else:
	    selected = 0

	partlist.append_row((partname, partsize), selected)

    return (partlist, sw)

def createAllowedLvmPartitionsList(alllvmparts, reqlvmpart):

    store = gtk.TreeStore(gobject.TYPE_BOOLEAN,
			  gobject.TYPE_STRING,
			  gobject.TYPE_STRING)
    partlist = RaidCheckList(2, store)

    sw = gtk.ScrolledWindow()
    sw.add(partlist)
    sw.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
    sw.set_shadow_type(gtk.SHADOW_IN)

    for part, size, used in alllvmparts:
        partname = "%s" % part
	partsize = "%8.0f MB" % size
        if used or not reqlvmpart:
            selected = 1
	else:
	    selected = 0

	partlist.append_row((partname, partsize), selected)

    return (partlist, sw)

def createRaidLevelMenu(levels, reqlevel, raidlevelchangeCB, sparesb):
    leveloption = gtk.OptionMenu()
    leveloptionmenu = gtk.Menu()
    defindex = None
    i = 0
    for lev in levels:
        item = gtk.MenuItem(lev)
        item.set_data("level", lev)
        # XXX gtk bug, if you don't show then the menu will be larger
        # than the largest menu item
        item.show()        
        leveloptionmenu.add(item)
        if reqlevel and lev == reqlevel:
            defindex = i
        if raidlevelchangeCB and sparesb:
            item.connect("activate", raidlevelchangeCB, sparesb)
        i = i + 1

    leveloption.set_menu(leveloptionmenu)
    
    if defindex:
        leveloption.set_history(defindex)

    if reqlevel and reqlevel == "RAID0":
        sparesb.set_sensitive(0)
        
    return (leveloption, leveloptionmenu)

# pass in callback for when fs changes because of python scope issues
def createFSTypeMenu(fstype, fstypechangeCB, mountCombo,
                     availablefstypes = None, ignorefs = None):
    fstypeoption = gtk.OptionMenu()
    fstypeoptionMenu = gtk.Menu()
    types = fileSystemTypeGetTypes()
    if availablefstypes:
        names = availablefstypes
    else:
        names = types.keys()
    if fstype and fstype.isSupported() and fstype.isFormattable():
        default = fstype
    else:
        default = fileSystemTypeGetDefault()
        
    names.sort()
    defindex = None
    i = 0
    for name in names:
        if not fileSystemTypeGet(name).isSupported():
            continue

        if ignorefs and name in ignorefs:
            continue
        
        if fileSystemTypeGet(name).isFormattable():
            item = gtk.MenuItem(name)
            item.set_data("type", types[name])
            # XXX gtk bug, if you don't show then the menu will be larger
            # than the largest menu item
            item.show()
            fstypeoptionMenu.add(item)
            if default and default.getName() == name:
                defindex = i
                defismountable = types[name].isMountable()
            if fstypechangeCB and mountCombo:
                item.connect("activate", fstypechangeCB, mountCombo)
            i = i + 1

    fstypeoption.set_menu(fstypeoptionMenu)

    if defindex:
        fstypeoption.set_history(defindex)

    if mountCombo:
        mountCombo.set_data("prevmountable",
                            fstypeoptionMenu.get_active().get_data("type").isMountable())

    return (fstypeoption, fstypeoptionMenu)

def raidlevelchangeCB(widget, sparesb):
    raidlevel = widget.get_data("level")
    numparts = sparesb.get_data("numparts")
    maxspares = raid.get_raid_max_spares(raidlevel, numparts)
    if maxspares > 0 and raidlevel != "RAID0":
        sparesb.set_sensitive(1)
        adj = sparesb.get_adjustment()
        value = adj.value
        if adj.value > maxspares:
            value = maxspares
        adj.set_value(value)
        adj.clamp_page(0, maxspares)
        sparesb.set_adjustment(adj)
        sparesb.set_value(value)
        
    else:
        sparesb.set_value(0)
        sparesb.set_sensitive(0)

class PartitionWindow(InstallWindow):
    def __init__(self, ics):
	InstallWindow.__init__(self, ics)
        ics.setTitle(_("Disk Setup"))
        ics.setNextEnabled(gtk.TRUE)
        ics.readHTML("partition")
        self.parent = ics.getICW().window

    def quit(self):
        pass

    def presentPartitioningComments(self, type,
                                    title, labelstr1, labelstr2, comments):
        win = gtk.Dialog(title)
        gui.addFrame(win)
        
        if type == "ok":
            win.add_button('gtk-ok', 1)
        elif type == "yesno":
            win.add_button('gtk-yes', 1)
            win.add_button('gtk-no', 2)

        image = gtk.Image()
        image.set_from_stock('gtk-dialog-warning', gtk.ICON_SIZE_DIALOG)
        hbox = gtk.HBox(gtk.FALSE)
        hbox.pack_start(image, gtk.FALSE)

        buffer = gtk.TextBuffer(None)
        buffer.set_text(comments)
        text = gtk.TextView()
        text.set_buffer(buffer)
        text.set_property("editable", gtk.FALSE)
        text.set_property("cursor_visible", gtk.FALSE)
        text.set_wrap_mode(gtk.WRAP_WORD)
        
        sw = gtk.ScrolledWindow()
        sw.add(text)
        sw.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
        sw.set_shadow_type(gtk.SHADOW_IN)
        
        info1 = gtk.Label(labelstr1)
        info1.set_line_wrap(gtk.TRUE)
#        info1.set_size_request(300, -1)

        info2 = gtk.Label(labelstr2)
        info2.set_line_wrap(gtk.TRUE)
#        info2.set_size_request(300, -1)
        
        vbox = gtk.VBox(gtk.FALSE)
        vbox.pack_start(info1, gtk.FALSE)
        vbox.pack_start(sw, gtk.TRUE)
        vbox.pack_start(info2, gtk.FALSE)
        hbox.pack_start(vbox, gtk.FALSE)

        win.vbox.pack_start(hbox)
#        win.set_size_request(400,300)
        win.set_position(gtk.WIN_POS_CENTER)
        win.show_all()
        rc = win.run()
        win.destroy()
        return rc
        
    def getNext(self):
        (errors, warnings) = sanityCheckAllRequests(self.partitions,
                                                    self.diskset)

        if errors:
            labelstr1 =  _("The following critical errors exist "
                           "with your requested partitioning "
                           "scheme.")
            labelstr2 = _("These errors must be corrected prior "
                          "to continuing with your install of "
                          "Red Hat Linux.")

            commentstr = string.join(errors, "\n\n")
            
            self.presentPartitioningComments("ok",
                                             _("Partitioning Errors"),
                                             labelstr1, labelstr2,
                                             commentstr)
            raise gui.StayOnScreen
        
        if warnings:
            labelstr1 = _("The following warnings exist with "
                         "your requested partition scheme.")
            labelstr2 = _("Would you like to continue with "
                         "your requested partitioning "
                         "scheme?")
            
            commentstr = string.join(warnings, "\n\n")
            rc = self.presentPartitioningComments("yesno",
                                                  _("Partitioning Warnings"),
                                                  labelstr1, labelstr2,
                                                  commentstr)
            if rc != 1:
                raise gui.StayOnScreen

        formatWarnings = getPreExistFormatWarnings(self.partitions,
                                                   self.diskset)
        if formatWarnings:
            labelstr1 = _("The following pre-existing partitions have been "
                          "selected to be formatted, destroying all data.")

            labelstr2 = _("Select 'Yes' to continue and format these "
                          "partitions, or 'No' to go back and change these "
                          "settings.")

            commentstr = ""
            for (dev, type, mntpt) in formatWarnings:
                commentstr = commentstr + \
                        "/dev/%s         %s         %s\n" % (dev,type,mntpt)

            rc = self.presentPartitioningComments("yesno",
                                                  _("Format Warnings"),
                                                  labelstr1, labelstr2,
                                                  commentstr)
            if rc != 1:
                raise gui.StayOnScreen

        
        self.diskStripeGraph.shutDown()
        self.tree.clear()
        del self.parent
        return None

    def getPrev(self):
        self.diskStripeGraph.shutDown()
        self.tree.clear()
        del self.parent
        return None
    
    def populate(self, initial = 0):
        drives = self.diskset.disks.keys()
        drives.sort()

        self.tree.resetSelection()
        
	# first do LVM
        lvmrequests = self.partitions.getLVMRequests()
        if lvmrequests:
#
# XXX this breaks when we try to refresh tree after a refresh
#
# XXX - this breaks self.refresh calls!!!	
#	    lvmparent = self.tree.append(None)
#	    self.tree[lvmparent]['Device'] = _("LVM Physical Volumes")
            lvmparent = None
            for vgname in lvmrequests.keys():
                vgparent = self.tree.append(lvmparent)
		self.tree[vgparent]['Device'] = _("LVM: %s") % (vgname,)
		vgrequest = self.partitions.getRequestByVolumeGroupName(vgname)
		rsize = requestSize(vgrequest, self.diskset)
		print "volume group %s size is %g" % (vgname, rsize)
		self.tree[vgparent]['Start'] = ""
		self.tree[vgparent]['End'] = ""
		self.tree[vgparent]['Size (MB)'] = "%g" % (rsize,)
		self.tree[vgparent]['Type'] = _("LVM Volume Group")
		self.tree[vgparent]['Mount Point'] = ""
                self.tree[vgparent]['PyObject'] = str(vgrequest.uniqueID)
		for lvrequest in lvmrequests[vgname]:
		    iter = self.tree.append(vgparent)
		    self.tree[iter]['Device'] = lvrequest.logicalVolumeName
		    self.tree[iter]['Mount Point'] = lvrequest.mountpoint
		    self.tree[iter]['Size (MB)'] = "%g" % (lvrequest.size,)
		    self.tree[iter]['PyObject'] = str(lvrequest.uniqueID)
		
                    ptype = lvrequest.fstype.getName()
                    self.tree[iter]['Format'] = gtk.TRUE
                    self.tree[iter]['IsFormattable'] = lvrequest.fstype.isFormattable()
		    self.tree[iter]['IsLeaf'] = gtk.TRUE
		    self.tree[iter]['Type'] = ptype
		    self.tree[iter]['Start'] = ""
		    self.tree[iter]['End'] = ""
#		    self.tree[iter]['Start'] = _("N/A")
#		    self.tree[iter]['End'] = _("N/A")

        # handle RAID next
        raidcounter = 0
        raidrequests = self.partitions.getRaidRequests()
        if raidrequests:
# XXX - this breaks self.refresh calls!!!	
#	    raidparent = self.tree.append(None)
#	    self.tree[raidparent]['Device'] = _("RAID Devices")
            raidparent = None
            for request in raidrequests:
                iter = self.tree.append(raidparent)

                if request and request.mountpoint:
                    self.tree[iter]["Mount Point"] = request.mountpoint
                if request.fstype:
                    ptype = request.fstype.getName()
                    
                    self.tree[iter]['Format'] = request.format
                    self.tree[iter]['IsFormattable'] = request.fstype.isFormattable()
                else:
                    ptype = _("None")
                    self.tree[iter]['IsFormattable'] = gtk.FALSE

                device = _("RAID Device %s"  % (str(raidcounter)))
                self.tree[iter]['IsLeaf'] = gtk.TRUE
                self.tree[iter]['Device'] = device
                self.tree[iter]['Type'] = ptype
#		self.tree[iter]['Start'] = _("N/A")
#		self.tree[iter]['End'] = _("N/A")
                self.tree[iter]['Start'] = ""
                self.tree[iter]['End'] = ""
                self.tree[iter]['Size (MB)'] = "%g" % (request.size,)
                self.tree[iter]['PyObject'] = str(request.uniqueID)

                raidcounter = raidcounter + 1
                
	# now normal partitions
# XXX - this breaks self.refresh calls!!!	
#	drvparent = self.tree.append(None)
#	self.tree[drvparent]['Device'] = _("Hard Drives")
	drvparent=None
        for drive in drives:
            disk = self.diskset.disks[drive]

            # add a disk stripe to the graph
            stripe = self.diskStripeGraph.add(drive, disk)

            # add a parent node to the tree
            parent = self.tree.append(drvparent)
            self.tree[parent]['Device'] = '/dev/%s' % (drive,)
            sectorsPerCyl = disk.dev.heads * disk.dev.sectors

            extendedParent = None
            part = disk.next_partition()
            while part:
                if part.type & parted.PARTITION_METADATA:
                    part = disk.next_partition(part)
                    continue

                stripe.add(part)
                device = get_partition_name(part)
                request = self.partitions.getRequestByDeviceName(device)

                if part.type == parted.PARTITION_EXTENDED:
                    if extendedParent:
                        raise RuntimeError, ("can't handle more than "
                                             "one extended partition per disk")
                    extendedParent = self.tree.append(parent)
                    iter = extendedParent
                elif part.type & parted.PARTITION_LOGICAL:
                    if not extendedParent:
                        raise RuntimeError, ("crossed logical partition "
                                             "before extended")
                    iter = self.tree.append(extendedParent)
                    self.tree[iter]['IsLeaf'] = gtk.TRUE
                else:
                    iter = self.tree.append(parent)
                    self.tree[iter]['IsLeaf'] = gtk.TRUE
                    
                if request and request.mountpoint:
                    self.tree[iter]['Mount Point'] = request.mountpoint
                else:
                    self.tree[iter]['Mount Point'] = ""

                if request and request.fstype:
                    self.tree[iter]['IsFormattable'] = request.fstype.isFormattable()
                
                if part.type & parted.PARTITION_FREESPACE:
                    ptype = _("Free space")
                elif part.type == parted.PARTITION_EXTENDED:
                    ptype = _("Extended")
                elif part.get_flag(parted.PARTITION_RAID) == 1:
                    ptype = _("software RAID")
                elif part.fs_type:
                    if request and request.fstype != None:
                        ptype = request.fstype.getName()
                        if ptype == "foreign":
                            ptype = map_foreign_to_fsname(part.native_type)
                    else:
                        ptype = part.fs_type.name
                    self.tree[iter]['Format'] = request.format
                else:
                    if request and request.fstype != None:
                        ptype = request.fstype.getName()
                        
                        if ptype == "foreign":
                            ptype = map_foreign_to_fsname(part.native_type)
                    else:
                        ptype = _("None")
                if part.type & parted.PARTITION_FREESPACE:
                    devname = _("Free")
                else:
                    devname = '/dev/%s' % (device,)
                self.tree[iter]['Device'] = devname
                self.tree[iter]['Type'] = ptype
                self.tree[iter]['Start'] = str(start_sector_to_cyl(disk.dev,
                                                                   part.geom.start))
                self.tree[iter]['End'] = str(end_sector_to_cyl(disk.dev,
                                                               part.geom.end))
                size = getPartSizeMB(part)
                if size < 1.0:
                    sizestr = "< 1"
                else:
                    sizestr = "%8.0f" % (size)
                self.tree[iter]['Size (MB)'] = sizestr
                self.tree[iter]['PyObject'] = part
                
                part = disk.next_partition(part)

        canvas = self.diskStripeGraph.getCanvas()
        apply(canvas.set_scroll_region, canvas.root().get_bounds())
        self.treeView.expand_all()

    def treeActivateCb(self, view, path, col):
        if self.tree.getCurrentPartition():
            self.editCb()
        
    def treeSelectCb(self, selection, *args):
        rc = selection.get_selected()
        if rc:
            model, iter = rc
        else:
            return
        partition = model[iter]['PyObject']
        if partition:
            self.diskStripeGraph.selectSlice(partition)

    def newCB(self, widget):
        # create new request of size 1M
        request = PartitionSpec(fileSystemTypeGetDefault(), REQUEST_NEW, 1)

        self.editPartitionRequest(request, isNew = 1)

    # edit a partition request
    # isNew implies that this request has never been successfully used before
    def editPartitionRequest(self, origrequest, isNew = 0):

        def formatOptionCB(widget, data):
            (menuwidget, menu, mntptcombo, ofstype) = data
            menuwidget.set_sensitive(widget.get_active())

            # inject event for fstype menu
            if widget.get_active():
                fstype = menu.get_active().get_data("type")
                setMntPtComboStateFromType(fstype, mntptcombo)
            else:
                setMntPtComboStateFromType(ofstype, mntptcombo)

        def noformatCB(widget, badblocks):
            badblocks.set_sensitive(widget.get_active())

        def sizespinchangedCB(widget, fillmaxszsb):
            size = widget.get_value_as_int()
            maxsize = fillmaxszsb.get_value_as_int()
            if size > maxsize:
                fillmaxszsb.set_value(size)

            # ugly got to be better way
            adj = fillmaxszsb.get_adjustment()
            adj.clamp_page(size, adj.upper)
            fillmaxszsb.set_adjustment(adj)

        def cylspinchangedCB(widget, data):
            (dev, startcylspin, endcylspin, bycyl_sizelabel) = data
            startsec = start_cyl_to_sector(dev,
                                           startcylspin.get_value_as_int())
            endsec = end_cyl_to_sector(dev, endcylspin.get_value_as_int())
            cursize = (endsec - startsec)/2048
            bycyl_sizelabel.set_text("%s" % (int(cursize))) 

        def fillmaxszCB(widget, spin):
            spin.set_sensitive(widget.get_active())

        # pass in CB defined above because of two scope limitation of python!
        def createSizeOptionsFrame(request, fillmaxszCB):
            frame = gtk.Frame(_("Additional Size Options"))
            sizeoptiontable = gtk.Table()
            sizeoptiontable.set_row_spacings(5)
            sizeoptiontable.set_border_width(4)
            
            fixedrb     = gtk.RadioButton(label=_("Fixed size"))
            fillmaxszrb = gtk.RadioButton(group=fixedrb,
                                          label=_("Fill all space up "
                                                  "to (MB):"))
            maxsizeAdj = gtk.Adjustment(value = 1, lower = 1,
                                        upper = MAX_PART_SIZE, step_incr = 1)
            fillmaxszsb = gtk.SpinButton(maxsizeAdj, digits = 0)
            fillmaxszsb.set_property('numeric', gtk.TRUE)
            fillmaxszhbox = gtk.HBox()
            fillmaxszhbox.pack_start(fillmaxszrb)
            fillmaxszhbox.pack_start(fillmaxszsb)
            fillunlimrb = gtk.RadioButton(group=fixedrb,
                                         label=_("Fill to maximum allowable "
                                                 "size"))

            fillmaxszrb.connect("toggled", fillmaxszCB, fillmaxszsb)

            # default to fixed, turn off max size spinbutton
            fillmaxszsb.set_sensitive(0)
            if request.grow:
                if request.maxSizeMB != None:
                    fillmaxszrb.set_active(1)
                    fillmaxszsb.set_sensitive(1)
                    fillmaxszsb.set_value(request.maxSizeMB)
                else:
                    fillunlimrb.set_active(1)
            else:
                fixedrb.set_active(1)

            sizeoptiontable.attach(fixedrb, 0, 1, 0, 1)
            sizeoptiontable.attach(fillmaxszhbox, 0, 1, 1, 2)
            sizeoptiontable.attach(fillunlimrb, 0, 1, 2, 3)
            
            frame.add(sizeoptiontable)

            return (frame, fixedrb, fillmaxszrb, fillmaxszsb)

        #
        # start of editPartitionRequest
        #


        dialog = gtk.Dialog(_("Add Partition"), self.parent)
        gui.addFrame(dialog)
        dialog.add_button('gtk-ok', 1)
        dialog.add_button('gtk-cancel', 2)
        dialog.set_position(gtk.WIN_POS_CENTER)
        
        maintable = gtk.Table()
        maintable.set_row_spacings(5)
        maintable.set_col_spacings(5)
        row = 0

        # see if we are creating a floating request or by cylinder
        if origrequest.type == REQUEST_NEW:
            newbycyl = origrequest.start != None

        # Mount Point entry
        maintable.attach(createAlignedLabel(_("Mount Point:")),
                                            0, 1, row, row + 1)
        mountCombo = createMountPointCombo(origrequest)
        maintable.attach(mountCombo, 1, 2, row, row + 1)
        row = row + 1

        # Partition Type
        if origrequest.type == REQUEST_NEW:
            maintable.attach(createAlignedLabel(_("Filesystem Type:")),
                             0, 1, row, row + 1)

            (newfstype, newfstypeMenu) = createFSTypeMenu(origrequest.fstype,
                                                          fstypechangeCB,
                                                          mountCombo)
            maintable.attach(newfstype, 1, 2, row, row + 1)
        else:
            maintable.attach(createAlignedLabel(_("Original Filesystem "
                                                  "Type:")),
                             0, 1, row, row + 1)

            if origrequest.origfstype:
                typestr = origrequest.origfstype.getName()
                if origrequest.origfstype.getName() == "foreign":
                    part = get_partition_by_name(self.diskset.disks,
                                                 origrequest.device)
                    typestr = map_foreign_to_fsname(part.native_type)
            else:
                typestr = _("Unknown")

            fstypelabel = gtk.Label(typestr)
            maintable.attach(fstypelabel, 1, 2, row, row + 1)
            newfstype = None
            newfstypeMenu = None
            
        row = row + 1

        # allowable drives
        if origrequest.type == REQUEST_NEW:
            if not newbycyl:
                maintable.attach(createAlignedLabel(_("Allowable Drives:")),
                                 0, 1, row, row + 1)

                driveview = createAllowedDrivesList(self.diskset.disks,
                                                      origrequest.drive)

                sw = gtk.ScrolledWindow()
                sw.add(driveview)
                sw.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
		sw.set_shadow_type(gtk.SHADOW_IN)
                maintable.attach(sw, 1, 2, row, row + 1)
		driveview.set_size_request(375, 80)
            else:
                maintable.attach(createAlignedLabel(_("Drive:")),
                                 0, 1, row, row + 1)
                maintable.attach(createAlignedLabel(origrequest.drive[0]),
                                 1, 2, row, row + 1)

            row = row + 1

        # original fs label
        if origrequest.type != REQUEST_NEW and origrequest.fslabel:
            maintable.attach(createAlignedLabel(_("Original Filesystem "
                                                  "Label:")),
                             0, 1, row, row + 1)
            fslabel = gtk.Label(origrequest.fslabel)
            maintable.attach(fslabel, 1, 2, row, row + 1)

            row = row + 1

        # size
        if origrequest.type == REQUEST_NEW:
            if not newbycyl:
                # Size specification
                maintable.attach(createAlignedLabel(_("Size (MB):")),
                                 0, 1, row, row + 1)
                sizeAdj = gtk.Adjustment(value = 1, lower = 1,
                                         upper = MAX_PART_SIZE, step_incr = 1)
                sizespin = gtk.SpinButton(sizeAdj, digits = 0)
                sizespin.set_property('numeric', gtk.TRUE)

                if origrequest.size:
                    sizespin.set_value(origrequest.size)

                maintable.attach(sizespin, 1, 2, row, row + 1)
                bycyl_sizelabel = None
            else:
                # XXX need to add partition by size and
                #     wire in limits between start and end
                dev = self.diskset.disks[origrequest.drive[0]].dev
                maintable.attach(createAlignedLabel(_("Size (MB):")),
                                 0, 1, row, row + 1)
                bycyl_sizelabel = createAlignedLabel("")
                maintable.attach(bycyl_sizelabel, 1, 2, row, row + 1)
                row = row + 1
                maintable.attach(createAlignedLabel(_("Start Cylinder:")),
                                 0, 1, row, row + 1)

                maxcyl = self.diskset.disks[origrequest.drive[0]].dev.cylinders
                cylAdj = gtk.Adjustment(value=origrequest.start,
                                        lower=origrequest.start,
                                        upper=maxcyl,
                                        step_incr=1)
                startcylspin = gtk.SpinButton(cylAdj, digits=0)
                startcylspin.set_property('numeric', gtk.TRUE)
                maintable.attach(startcylspin, 1, 2, row, row + 1)
                row = row + 1
                
                endcylAdj = gtk.Adjustment(value=origrequest.end,
                                           lower=origrequest.start,
                                           upper=maxcyl,
                                           step_incr=1)
                maintable.attach(createAlignedLabel(_("End Cylinder:")),
                                 0, 1, row, row + 1)
                endcylspin = gtk.SpinButton(endcylAdj, digits = 0)
                endcylspin.set_property('numeric', gtk.TRUE)
                maintable.attach(endcylspin, 1, 2, row, row + 1)

                startcylspin.connect("changed", cylspinchangedCB,
                            (dev, startcylspin, endcylspin, bycyl_sizelabel))
                endcylspin.connect("changed", cylspinchangedCB,
                             (dev, startcylspin, endcylspin, bycyl_sizelabel))
                
                startsec = start_cyl_to_sector(dev, origrequest.start)
                endsec = end_cyl_to_sector(dev, origrequest.end)
                cursize = (endsec - startsec)/2048
                bycyl_sizelabel.set_text("%s" % (int(cursize)))
        else:
            maintable.attach(createAlignedLabel(_("Size (MB):")),
                             0, 1, row, row + 1)
            sizelabel = gtk.Label("%d" % (origrequest.size))
            maintable.attach(sizelabel, 1, 2, row, row + 1)
            sizespin = None
            
        row = row + 1

        # format/migrate options for pre-existing partitions
        if origrequest.type == REQUEST_PREEXIST and origrequest.fstype:

            ofstype = origrequest.fstype
            
            maintable.attach(gtk.HSeparator(), 0, 2, row, row + 1)
            row = row + 1

            label = gtk.Label(_("How would you like to prepare the filesystem "
                               "on this partition?"))
            label.set_line_wrap(1)
            label.set_alignment(0.0, 0.0)
#            label.set_size_request(400, -1)

            maintable.attach(label, 0, 2, row, row + 1)
            row = row + 1
            
            noformatrb = gtk.RadioButton(label=_("Leave unchanged "
                                                 "(preserve data)"))
            noformatrb.set_active(1)
            maintable.attach(noformatrb, 0, 2, row, row + 1)
            row = row + 1

            formatrb = gtk.RadioButton(label=_("Format partition as:"),
                                       group = noformatrb)
            formatrb.set_active(0)
            if origrequest.format:
                formatrb.set_active(1)

            maintable.attach(formatrb, 0, 1, row, row + 1)
            (fstype, fstypeMenu) = createFSTypeMenu(ofstype,fstypechangeCB,
                                                    mountCombo)
            fstype.set_sensitive(formatrb.get_active())
            maintable.attach(fstype, 1, 2, row, row + 1)
            row = row + 1

            if not formatrb.get_active() and not origrequest.migrate:
                mountCombo.set_data("prevmountable", ofstype.isMountable())

            formatrb.connect("toggled", formatOptionCB, (fstype, fstypeMenu,
                                                         mountCombo, ofstype))

            if origrequest.origfstype.isMigratable():
                migraterb = gtk.RadioButton(label=_("Migrate partition to:"),
                                            group=noformatrb)
                migraterb.set_active(0)
                if origrequest.migrate:
                    migraterb.set_active(1)

                migtypes = origrequest.origfstype.getMigratableFSTargets()

                maintable.attach(migraterb, 0, 1, row, row + 1)
                (migfstype, migfstypeMenu)=createFSTypeMenu(ofstype,
                                                            None, None,
                                                   availablefstypes = migtypes)
                migfstype.set_sensitive(migraterb.get_active())
                maintable.attach(migfstype, 1, 2, row, row + 1)
                row = row + 1

                migraterb.connect("toggled", formatOptionCB, (migfstype,
                                                              migfstypeMenu,
                                                              mountCombo,
                                                              ofstype))
                
            else:
                migraterb = None

            badblocks = gtk.CheckButton(_("Check for bad blocks?"))
            badblocks.set_active(0)
            maintable.attach(badblocks, 0, 1, row, row + 1)
            formatrb.connect("toggled", noformatCB, badblocks)
            if not origrequest.format:
                badblocks.set_sensitive(0)

            if origrequest.badblocks:
                badblocks.set_active(1)
            
            row = row + 1
            
        else:
            noformatrb = None
            formatrb = None
            migraterb = None

        # size options
        if origrequest.type == REQUEST_NEW:
            if not newbycyl:
                (sizeframe, fixedrb, fillmaxszrb,
                 fillmaxszsb) = createSizeOptionsFrame(origrequest,
                                                       fillmaxszCB)
                sizespin.connect("changed", sizespinchangedCB, fillmaxszsb)

                maintable.attach(sizeframe, 0, 2, row, row + 1)
            else:
                # XXX need new by cyl options (if any)
                pass
            row = row + 1
        else:
            sizeoptiontable = None

        # create only as primary
        if origrequest.type == REQUEST_NEW:
            primonlycheckbutton = gtk.CheckButton(_("Force to be a primary "
                                                    "partition"))
            primonlycheckbutton.set_active(0)
            if origrequest.primary:
                primonlycheckbutton.set_active(1)
            maintable.attach(primonlycheckbutton, 0, 2, row, row+1)
            row = row + 1

            badblocks = gtk.CheckButton(_("Check for bad blocks"))
            badblocks.set_active(0)
            maintable.attach(badblocks, 0, 1, row, row + 1)
            row = row + 1
            if origrequest.badblocks:
                badblocks.set_active(1)
            
        # put main table into dialog
        dialog.vbox.pack_start(maintable)
        dialog.show_all()

        while 1:
            rc = dialog.run()

            # user hit cancel, do nothing
            if rc == 2:
                dialog.destroy()
                return

            if origrequest.type == REQUEST_NEW:
                # read out UI into a partition specification
                filesystem = newfstypeMenu.get_active().get_data("type")

                request = copy.copy(origrequest)
                request.fstype = filesystem
                request.format = gtk.TRUE
                
                if request.fstype.isMountable():
                    request.mountpoint = mountCombo.entry.get_text()
                else:
                    request.mountpoint = None
                    
                if primonlycheckbutton.get_active():
                    primonly = gtk.TRUE
                else:
                    primonly = None

                if badblocks and badblocks.get_active():
                    request.badblocks = gtk.TRUE
                else:
                    request.badblocks = None

                if not newbycyl:
                    if fixedrb.get_active():
                        grow = None
                    else:
                        grow = gtk.TRUE

                    if fillmaxszrb.get_active():
                        maxsize = fillmaxszsb.get_value_as_int()
                    else:
                        maxsize = None

		    allowdrives = []
		    model = driveview.get_model()
		    iter = model.get_iter_root()
		    next = 1
		    while next:
			val   = model.get_value(iter, 0)
			drive = model.get_value(iter, 1)

			if val:
			    allowdrives.append(drive)

			next = model.iter_next(iter)

                    if len(allowdrives) == len(self.diskset.disks.keys()):
                        allowdrives = None
			
                    request.size = sizespin.get_value_as_int()
                    request.drive = allowdrives
                    request.grow = grow
                    request.primary = primonly
                    request.maxSizeMB = maxsize
                else:
                    request.start = startcylspin.get_value_as_int()
                    request.end = endcylspin.get_value_as_int()

                    if request.end <= request.start:
                        self.intf.messageWindow(_("Error With Request"),
                                                _("The end cylinder must be "
                                                "greater than the start "
                                                "cylinder."))

                        continue

                err = sanityCheckPartitionRequest(self.partitions, request)
                if err:
                    self.intf.messageWindow(_("Error With Request"),
                                            "%s" % (err))
                    continue

            else:
                # preexisting partition, just set mount point and format flag
                request = copy.copy(origrequest)
                if formatrb:
                    request.format = formatrb.get_active()
                    if request.format:
                        request.fstype = fstypeMenu.get_active().get_data("type")
                    if badblocks and badblocks.get_active():
                        request.badblocks = gtk.TRUE
                    else:
                        request.badblocks = None
                        
                else:
                    request.format = 0
                    request.badblocks = None

                if migraterb:
                    request.migrate = migraterb.get_active()
                    if request.migrate:
                        request.fstype =migfstypeMenu.get_active().get_data("type")
                else:
                    request.migrate = 0

                # set back if we are not formatting or migrating
                if not request.format and not request.migrate:
                    request.fstype = origrequest.origfstype

                if request.fstype.isMountable():
                    request.mountpoint =  mountCombo.entry.get_text()
                else:
                    request.mountpoint = None

                err = sanityCheckPartitionRequest(self.partitions, request)
                if err:
                    self.intf.messageWindow(_("Error With Request"),
                                            "%s" % (err))
                    continue

#                if not origrequest.format and request.format:
#                    if not queryFormatPreExisting(self.intf):
#                        continue

                if (not request.format and
                    request.mountpoint and isFormatOnByDefault(request)):
                    if not queryNoFormatPreExisting(self.intf):
                        continue
            
            if not isNew:
                self.partitions.removeRequest(origrequest)

            self.partitions.addRequest(request)
            if self.refresh():
                # the add failed; remove what we just added and put
                # back what was there if we removed it
                self.partitions.removeRequest(request)
                if not isNew:
                    self.partitions.addRequest(origrequest)
                if self.refresh():
                    # this worked before and doesn't now...
                    raise RuntimeError, ("Returning partitions to state "
                                         "prior to edit failed")
            else:
                break

        dialog.destroy()

    def deleteCb(self, widget):
        curselection = self.tree.getCurrentPartition()

        if doDeletePartitionByRequest(self.intf, self.partitions, curselection):
            self.refresh()
            
    def resetCb(self, *args):
        if not confirmResetPartitionState(self.intf):
            return
        
        self.diskStripeGraph.shutDown()
        self.newFsset = self.fsset.copy()
        self.diskset.refreshDevices()
        self.partitions.setFromDisk(self.diskset)
        self.tree.clear()
        self.populate()

    def refresh(self):
        self.diskStripeGraph.shutDown()
        self.tree.clear()
        try:
            autopart.doPartitioning(self.diskset, self.partitions)
            rc = 0
        except PartitioningError, msg:
            self.intf.messageWindow(_("Error Partitioning"),
                   _("Could not allocate requested partitions: %s.") % (msg))
            rc = -1
        except PartitioningWarning, msg:
            # XXX somebody other than me should make this look better
            # XXX this doesn't handle the 'delete /boot partition spec' case
            #     (it says 'add anyway')
            dialog = gtk.MessageDialog(self.parent, 0, gtk.MESSAGE_ERROR,
                                       gtk.BUTTONS_NONE,
                                       _("Warning: %s.") % (msg))
            gui.addFrame(dialog)
            button = gtk.Button(_("_Modify Partition"))
            dialog.add_action_widget(button, 1)
            button = gtk.Button(_("_Continue"))
            dialog.add_action_widget(button, 2)
            dialog.set_position(gtk.WIN_POS_CENTER)

            dialog.show_all()
            rc = dialog.run()
            dialog.destroy()
            
            if rc == 1:
                rc = -1
            else:
                rc = 0
                req = self.partitions.getBootableRequest()
                if req:
                    req.ignoreBootConstraints = 1

        self.populate()
        return rc

    def editCb(self, *args):
        part = self.tree.getCurrentPartition()

        (type, request) = doEditPartitionByRequest(self.intf, self.partitions,
                                                   part)
        if request:
            if type == "RAID":
                self.editRaidRequest(request)
	    elif type == "LVMVG":
		self.editLVMVolumeGroup(request)
	    elif type == "LVMLV":
		vgrequest = self.partitions.getRequestByID(request.volumeGroup)
		self.editLVMVolumeGroup(vgrequest)
            elif type == "NEW":
		self.editPartitionRequest(request, isNew = 1)
            else:
                self.editPartitionRequest(request)

    # isNew implies that this request has never been successfully used before
    def editRaidRequest(self, raidrequest, isNew = 0):
        #
        # start of editRaidRuquest
        #
        availraidparts = get_available_raid_partitions(self.diskset,
                                                       self.partitions,
                                                       raidrequest)
        # if no raid partitions exist, raise an error message and return
        if len(availraidparts) < 2:
            dlg = gtk.MessageDialog(self.parent, 0, gtk.MESSAGE_ERROR,
                                    gtk.BUTTONS_OK,
                                    _("At least two software RAID "
                                      "partitions are needed."))
            gui.addFrame(dlg)
            dlg.show_all()
            dlg.set_position(gtk.WIN_POS_CENTER)
            dlg.run()
            dlg.destroy()
            return

        dialog = gtk.Dialog(_("Make RAID Device"), self.parent)
        gui.addFrame(dialog)
        dialog.add_button('gtk-ok', 1)
        dialog.add_button('gtk-cancel', 2)
        dialog.set_position(gtk.WIN_POS_CENTER)
        
        maintable = gtk.Table()
        maintable.set_row_spacings(5)
        maintable.set_col_spacings(5)
        row = 0

        # Mount Point entry
        maintable.attach(createAlignedLabel(_("Mount Point:")),
                                            0, 1, row, row + 1)
        mountCombo = createMountPointCombo(raidrequest)
        maintable.attach(mountCombo, 1, 2, row, row + 1)
        row = row + 1

        # Filesystem Type
        maintable.attach(createAlignedLabel(_("Filesystem type:")),
                                            0, 1, row, row + 1)

        (fstypeoption, fstypeoptionMenu) = createFSTypeMenu(raidrequest.fstype,
                                                            fstypechangeCB,
                                                            mountCombo,
                                                            ignorefs = ["software RAID"])
        maintable.attach(fstypeoption, 1, 2, row, row + 1)
            
        row = row + 1

        # raid level
        maintable.attach(createAlignedLabel(_("RAID Level:")),
                                            0, 1, row, row + 1)

        # Create here, pack below
        numparts =  len(availraidparts)
        if raidrequest.raidspares:
            nspares = raidrequest.raidspares
        else:
            nspares = 0
            
        if raidrequest.raidlevel:
            maxspares = raid.get_raid_max_spares(raidrequest.raidlevel, numparts)
        else:
            maxspares = 0

        spareAdj = gtk.Adjustment(value = nspares, lower = 0,
                                  upper = maxspares, step_incr = 1)
        sparesb = gtk.SpinButton(spareAdj, digits = 0)
        sparesb.set_data("numparts", numparts)

        if maxspares > 0:
            sparesb.set_sensitive(1)
        else:
            sparesb.set_value(0)
            sparesb.set_sensitive(0)

        (leveloption, leveloptionmenu) = createRaidLevelMenu(availRaidLevels,
                                                       raidrequest.raidlevel,
                                                       raidlevelchangeCB,
                                                       sparesb)
        maintable.attach(leveloption, 1, 2, row, row + 1)
            
        row = row + 1

        # raid members
        maintable.attach(createAlignedLabel(_("RAID Members:")),
                         0, 1, row, row + 1)

        # XXX need to pass in currently used partitions for this device
        (raidlist, sw) = createAllowedRaidPartitionsList(availraidparts,
						       raidrequest.raidmembers)

        raidlist.set_size_request(275, 80)
        maintable.attach(sw, 1, 2, row, row + 1)
        row = row + 1

        # number of spares - created widget above
        maintable.attach(createAlignedLabel(_("Number of spares:")),
                         0, 1, row, row + 1)
        maintable.attach(sparesb, 1, 2, row, row + 1)
        row = row + 1

        # format or not?
        if raidrequest.fstype and raidrequest.fstype.isFormattable():
            formatButton = gtk.CheckButton(_("Format partition?"))
            # XXX this probably needs more logic once we detect existing raid
            if raidrequest.format == None or raidrequest.format != 0:
                formatButton.set_active(1)
            else:
                formatButton.set_active(0)
            maintable.attach(formatButton, 0, 2, row, row + 1)
            row = row + 1

        else:
            formatButton = None
            
        # put main table into dialog
        dialog.vbox.pack_start(maintable)

        dialog.show_all()

        while 1:
            rc = dialog.run()

            # user hit cancel, do nothing
            if rc == 2:
                dialog.destroy()
                return

            # read out UI into a partition specification
            request = copy.copy(raidrequest)

            filesystem = fstypeoptionMenu.get_active().get_data("type")
            request.fstype = filesystem

            if request.fstype.isMountable():
                request.mountpoint = mountCombo.entry.get_text()
            else:
                request.mountpoint = None

	    raidmembers = []
	    model = raidlist.get_model()
	    iter = model.get_iter_root()
	    next = 1
	    while next:
		val   = model.get_value(iter, 0)
		part = model.get_value(iter, 1)

		if val:
		    req = self.partitions.getRequestByDeviceName(part)
		    raidmembers.append(req.uniqueID)

		next = model.iter_next(iter)

            request.raidmembers = raidmembers
            request.raidlevel = leveloptionmenu.get_active().get_data("level")
            if request.raidlevel != "RAID0":
                request.raidspares = sparesb.get_value_as_int()
            else:
                request.raidspares = 0
            
            if formatButton:
                request.format = formatButton.get_active()
            else:
                request.format = 0

            err = sanityCheckRaidRequest(self.partitions, request)
            if err:
                self.intf.messageWindow(_("Error With Request"),
                                        "%s" % (err))
                continue
            
            if not isNew:
                self.partitions.removeRequest(raidrequest)

            self.partitions.addRequest(request)
            
            if self.refresh():
                # how can this fail?  well, if it does, do the remove new,
                # add old back in dance
                self.partitions.removeRequest(request)
                if not isNew:
                    self.partitions.addRequest(raidrequest)
                if self.refresh():
                    raise RuntimeError, ("Returning partitions to state "
                                         "prior to RAID edit failed")
            else:
                break

        dialog.destroy()

    def getCurrentLogicalVolume(self):
	selection = self.logvollist.get_selection()
	rc = selection.get_selected()
	if rc:
	    model, iter = rc
	else:
	    return None

	return iter


    def editLogicalVolume(self, logrequest, isNew = 0):
        dialog = gtk.Dialog(_("Make Logical Volume"), self.parent)
        gui.addFrame(dialog)
        dialog.add_button('gtk-ok', 1)
        dialog.add_button('gtk-cancel', 2)
        dialog.set_position(gtk.WIN_POS_CENTER)

        maintable = gtk.Table()
        maintable.set_row_spacings(5)
        maintable.set_col_spacings(5)
        row = 0

        maintable.attach(createAlignedLabel(_("Mount point:")), 0, 1, row,row+1)
        mountpointEntry = gtk.Entry(16)
        maintable.attach(mountpointEntry, 1, 2, row, row + 1)
	if logrequest:
	    mountpointEntry.set_text(logrequest.mountpoint)
        row = row + 1

	maintable.attach(createAlignedLabel(_("Filesystem:")), 0, 1, row, row+1)
	maintable.attach(createAlignedLabel(_("ext3")), 1, 2, row, row+1)
	row = row+1
			 
        maintable.attach(createAlignedLabel(_("Size (MB):")), 0, 1, row, row+1)
        sizeEntry = gtk.Entry(16)
        maintable.attach(sizeEntry, 1, 2, row, row + 1)
	if logrequest:
	    sizeEntry.set_text("%g" % (logrequest.size,))
        row = row + 1

        maintable.attach(createAlignedLabel(_("Logical Volume Name:")), 0, 1, row, row + 1)
        lvnameEntry = gtk.Entry(16)
        maintable.attach(lvnameEntry, 1, 2, row, row + 1)
	if logrequest:
	    lvnameEntry.set_text(logrequest.logicalVolumeName)
        row = row + 1

        dialog.vbox.pack_start(maintable)
        dialog.show_all()

	while 1:
	    rc = dialog.run()
	    if rc == 2:
		dialog.destroy()
		return

	    # I suck.  I assume the fs is ext3 because it doesn't matter
	    # for me and do no error checking :)
	    fsystem = fileSystemTypeGetDefault()
	    mntpt = string.strip(mountpointEntry.get_text())
	    badsize = 0
	    try:
		size = int(sizeEntry.get_text())
	    except:
		badsize = 1

	    if badsize or size <= 0:
		self.intf.messageWindow(_("Illegal size"),
					_("The requested size as entered is "
					  "not a valid number greater than 0."))
		continue
	    
	    lvname = string.strip(lvnameEntry.get_text())

	    err = sanityCheckMountPoint(mntpt, fsystem, REQUEST_LV)
	    if err:
		self.intf.messageWindow(_("Bad mount point"), err)
		continue

	    used = 0
	    if not logrequest or mntpt != logrequest.mountpoint:
		# check in existing requests
		curreq = self.partitions.getRequestByMountPoint(mntpt)
		if curreq:
		    used = 1

		# check in pending logical volume requests
		if not used:
		    for lv in self.logvolreqs:
			if logrequest and logrequest.mountpoint and lv.mountpoint == logrequest.mountpoint:
			    continue

			if lv.mountpoint == mntpt:
			    used = 1
			    break

	    if used:
		self.intf.messageWindow(_("Mount point in use"),
					_("The mount point %s is in use, "
					  "please pick another.") % (mntpt,))
		continue

	    err = sanityCheckLogicalVolumeName(lvname)
	    if err:
		self.intf.messageWindow(_("Illegal Logical Volume Name"),
					err)
		continue

	    # is it in use?
	    used = 0
	    if logrequest:
		origlvname = logrequest.logicalVolumeName
	    else:
		origlvname = None
		
	    if not used:
		for lv in self.logvolreqs:
		    if logrequest and logrequest.mountpoint and lv.mountpoint == logrequest.mountpoint:
			continue

		    if lv.logicalVolumeName == lvname:
			used = 1
			break

	    if used:
		self.intf.messageWindow(_("Illegal logical volume name"),
					_("The logical volume name %s is "
					  "already in use. Please pick "
					  "another.") % (lvname,))
		continue

	    # everything ok
	    break

	if not isNew:
	    self.logvolreqs.remove(logrequest)
	    iter = self.getCurrentLogicalVolume()
	    self.logvolstore.remove(iter)
	    
        request = PartitionSpec(fsystem, REQUEST_LV, mountpoint = mntpt,
                                volname = lvname, size = size)
        self.logvolreqs.append(request)

	iter = self.logvolstore.append()
	self.logvolstore.set_value(iter, 0, lvname)
	self.logvolstore.set_value(iter, 1, mntpt)
	self.logvolstore.set_value(iter, 2, "%g" % (size,))

        dialog.destroy()
	
    def editCurrentLogicalVolume(self):
	iter = self.getCurrentLogicalVolume()

	if iter is None:
	    return
	
	logvolname = self.logvolstore.get_value(iter, 0)
	logrequest = None
	for lv in self.logvolreqs:
	    if lv.logicalVolumeName == logvolname:
		logrequest = lv
		
	if logrequest is None:
	    return

	self.editLogicalVolume(logrequest)

    def addLogicalVolumeCB(self, widget):
	self.editLogicalVolume(None, isNew = 1)
	return

    def editLogicalVolumeCB(self, widget):
	self.editCurrentLogicalVolume()
	return

    def delLogicalVolumeCB(self, widget):
	iter = self.getCurrentLogicalVolume()
	if iter is None:
	    return
	
	logvolname = self.logvolstore.get_value(iter, 0)
	if logvolname is None:
	    return

	rc = self.intf.messageWindow(_("Confirm Delete"),
				_("Are you sure you want to remove the "
				"logical volume %s?") % (logvolname,),
				type = "yesno")
	if not rc:
	    return

	for lv in self.logvolreqs:
	    if lv.logicalVolumeName == logvolname:
		self.logvolreqs.remove(lv)

	self.logvolstore.remove(iter)
	return
    
    def logvolActivateCb(self, view, path, col):
	self.editCurrentLogicalVolume()

    def editLVMVolumeGroup(self, origvgrequest, isNew = 0):
        availlvmparts = get_available_lvm_partitions(self.diskset,
						     self.partitions,
						     origvgrequest)

        # if no raid partitions exist, raise an error message and return
        if len(availlvmparts) < 1:
	    self.intf.messageWindow(_("Not enough physical volumes"),
			       _("At least one LVM partition is needed."))
            return


        dialog = gtk.Dialog(_("Make LVM Device"), self.parent)
        gui.addFrame(dialog)
        dialog.add_button('gtk-ok', 1)
        dialog.add_button('gtk-cancel', 2)
        dialog.set_position(gtk.WIN_POS_CENTER)

        maintable = gtk.Table()
        maintable.set_row_spacings(5)
        maintable.set_col_spacings(5)
        row = 0

        # volume group name
	labelalign = gtk.Alignment()
	labelalign.set(0.0, 0.5, 0.0, 0.0)
	labelalign.add(createAlignedLabel(_("Volume Group Name:")))
        maintable.attach(labelalign, 0, 1, row, row + 1)
        volnameEntry = gtk.Entry(16)
	if not isNew:
	    volnameEntry.set_text(origvgrequest.volumeGroupName)
	    
        maintable.attach(volnameEntry, 1, 2, row, row + 1)
	row = row + 1

        (lvmlist, sw) = createAllowedLvmPartitionsList(availlvmparts, [])
        lvmlist.set_size_request(275, 80)

        maintable.attach(createAlignedLabel(_("Physical Volumes to Use:")), 0, 1,
			 row, row + 1)
        maintable.attach(sw, 1, 2, row, row + 1)
        row = row + 1

	# populate list of logical volumes
        lvtable = gtk.Table()
        lvtable.set_row_spacings(5)
        lvtable.set_col_spacings(5)
	self.logvolstore = gtk.ListStore(gobject.TYPE_STRING,
				      gobject.TYPE_STRING,
				      gobject.TYPE_STRING)
	
        self.logvolreqs = self.partitions.getLVMLVForVG(origvgrequest)
	self.origvolreqs = copy.copy(self.logvolreqs)

	if self.logvolreqs:
	    for lvrequest in self.logvolreqs:
		iter = self.logvolstore.append()
		self.logvolstore.set_value(iter, 0, lvrequest.logicalVolumeName)
		self.logvolstore.set_value(iter, 1, lvrequest.mountpoint)
		self.logvolstore.set_value(iter, 2, "%g" % (lvrequest.size,))

	self.logvollist = gtk.TreeView(self.logvolstore)
        col = gtk.TreeViewColumn(_("Logical Volume Name"),
				 gtk.CellRendererText(), text=0)
        self.logvollist.append_column(col)
        col = gtk.TreeViewColumn(_("Mount Point"),
				 gtk.CellRendererText(), text=1)
        self.logvollist.append_column(col)
        col = gtk.TreeViewColumn(_("Size (MB)"),
				 gtk.CellRendererText(), text=2)
        self.logvollist.append_column(col)
        self.logvollist.connect('row-activated', self.logvolActivateCb)

        sw = gtk.ScrolledWindow()
        sw.add(self.logvollist)
        sw.set_size_request(100, 100)
        sw.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
	sw.set_shadow_type(gtk.SHADOW_IN)
        lvtable.attach(sw, 0, 1, 0, 1)

	# button box of options
	lvbbox = gtk.VBox()
        add = gtk.Button(_("_Add"))
        add.connect("clicked", self.addLogicalVolumeCB)
	lvbbox.pack_start(add)
        edit = gtk.Button(_("_Edit"))
        edit.connect("clicked", self.editLogicalVolumeCB)
	lvbbox.pack_start(edit)
        delete = gtk.Button(_("_Delete"))
        delete.connect("clicked", self.delLogicalVolumeCB)
	lvbbox.pack_start(delete)

	lvalign = gtk.Alignment()
	lvalign.set(0.5, 0.0, 0.0, 0.0)
	lvalign.add(lvbbox)
        lvtable.attach(lvalign, 1, 2, 0, 1, gtk.SHRINK, gtk.SHRINK)

	# pack all logical volumne stuff in a frame
	frame = gtk.Frame(_("Logical Volumes"))
	frame.add(lvtable)
	maintable.attach(frame, 0, 2, row, row+1)
	row = row + 1
	
	dialog.set_size_request(500, 400)

        dialog.vbox.pack_start(maintable)
        dialog.show_all()

	while 1:
	    rc = dialog.run()

	    if rc == 2:
		dialog.destroy()
		return

	    pv = []
	    model = lvmlist.get_model()
	    iter = model.get_iter_root()
	    next = 1
	    availSpaceMB = 0
	    while next:
		val      = model.get_value(iter, 0)
		partname = model.get_value(iter, 1)

		if val:
		    pvreq = self.partitions.getRequestByDeviceName(partname)
		    id = pvreq.uniqueID
		    pv.append(id)

		    part = get_partition_by_name(self.diskset.disks, partname)
		    availSpaceMB = availSpaceMB + requestSize(pvreq,
							      self.diskset)
		next = model.iter_next(iter)

	    print "Total size of volume group is %g MB" % (availSpaceMB,)

	    neededSpaceMB = 0
	    for lv in self.logvolreqs:
		neededSpaceMB = neededSpaceMB + lv.requestSize

	    print "Required size for logical volumes is %g MB" % (neededSpaceMB,)

	    if neededSpaceMB > availSpaceMB:
		self.intf.messageWindow(_("Not enough space"),
					_("The logical volumes you have "
					  "configured require %g MB, but the "
					  "volume group only has %g MB.  Please "
					  "either make the volume group larger "
					  "or make the logical volume(s) smaller.") % (neededSpaceMB, availSpaceMB))
		continue

	    # check volume name
	    volname = string.strip(volnameEntry.get_text())
	    err = sanityCheckVolumeGroupName(volname)
	    if err:
		self.intf.messageWindow(_("Invalid Volume Group Name"), err)
		continue

	    if origvgrequest:
		origvname = origvgrequest.volumeGroupName
	    else:
		origname = None

	    if origvname != volname:
		tmpreq =  PartitionSpec(fileSystemTypeGet("volume group (LVM)"),
					REQUEST_VG, physvolumes = pv,
					vgname = volname)
		if isVolumeGroupNameInUse(self.partitions, tmpreq):
		    self.intf.messageWindow(_("Name in use"),
					    _("The volume group name %s is "
					      "already in use. Please pick "
					      "another." % (volname,)))
		    del tmpreq
		    continue

		del tmpreq

	    # everything ok
	    break

        # first add the volume group
	if not isNew:
	    for lv in self.origvolreqs:
		self.partitions.removeRequest(lv)

	    self.partitions.removeRequest(origvgrequest)


	request = PartitionSpec(fileSystemTypeGet("volume group (LVM)"),
				REQUEST_VG, physvolumes = pv,
				vgname = volname)

        self.partitions.addRequest(request)

        # this is an evil hack for now.  should addRequest return the id?
        vgID = self.partitions.nextUniqueID - 1

        # now add the logical volumes
        for lv in self.logvolreqs:
            lv.volumeGroup = vgID
            lv.format = 1
            self.partitions.addRequest(lv)

#        for req in self.partitions.requests:
#            print req

	# XXX - probably shouldn't do this here - trying to force refresh of ui
#        self.diskStripeGraph.shutDown()
#        self.tree.clear()
#        self.populate()

        # XXX should probably check if this fails, cant see how it could
        self.refresh()
	
        dialog.destroy()
	return
    
    def makeLvmCB(self, widget):

        request = PartitionSpec(fileSystemTypeGet("volume group (LVM)"),
                                REQUEST_VG)
        self.editLVMVolumeGroup(request, isNew = 1)

	return

    def makeraidCB(self, widget):
        request = PartitionSpec(fileSystemTypeGetDefault(), REQUEST_RAID, 1)
        self.editRaidRequest(request, isNew = 1)

    def getScreen(self, fsset, diskset, partitions, intf):
        self.fsset = fsset
        self.diskset = diskset
        self.intf = intf
        
        self.diskset.openDevices()
        self.partitions = partitions

        checkForSwapNoMatch(self.intf, self.diskset, self.partitions)

        # XXX PartitionRequests() should already exist and
        # if upgrade or going back, have info filled in
#        self.newFsset = self.fsset.copy()

        # operational buttons
        buttonBox = gtk.HButtonBox()
        buttonBox.set_layout(gtk.BUTTONBOX_SPREAD)

        if iutil.getArch() == "s390":
            ops = ((_("_Edit"), self.editCb),
                   (_("_Delete"), self.deleteCb),
                   (_("_Reset"), self.resetCb),
                   (_("Make _RAID"), self.makeraidCB),)
        else:
            ops = ((_("_New"), self.newCB),
                   (_("_Edit"), self.editCb),
                   (_("_Delete"), self.deleteCb),
                   (_("_Reset"), self.resetCb),
                   (_("Make _RAID"), self.makeraidCB),
                   (_("_LVM"), self.makeLvmCB))
        
        for label, cb in ops:
            button = gtk.Button(label)
            buttonBox.add (button)
            button.connect ("clicked", cb)

        self.tree = DiskTreeModel()
        self.treeView = self.tree.getTreeView()
        self.treeView.connect('row-activated', self.treeActivateCb)
        self.treeViewSelection = self.treeView.get_selection()
        self.treeViewSelection.connect("changed", self.treeSelectCb)

        # set up the canvas
        self.diskStripeGraph = DiskStripeGraph(self.tree, self.editCb)
        
        # do the initial population of the tree and the graph
        self.populate(initial = 1)

	vpaned = gtk.VPaned()

        sw = gtk.ScrolledWindow()
        sw.add(self.diskStripeGraph.getCanvas())
        sw.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
	sw.set_shadow_type(gtk.SHADOW_IN)

        frame = gtk.Frame()
        frame.add(sw)
	vpaned.add1(frame)

        box = gtk.VBox(gtk.FALSE, 5)
        box.pack_start(frame, gtk.TRUE, gtk.TRUE)
        box.pack_start(buttonBox, gtk.FALSE)
        sw = gtk.ScrolledWindow()
        sw.add(self.treeView)
        sw.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
	sw.set_shadow_type(gtk.SHADOW_IN)
	
        box.pack_start(sw, gtk.TRUE)
	vpaned.add2(box)

	# XXX should probably be set according to height 
	vpaned.set_position(170)

	return vpaned

class AutoPartitionWindow(InstallWindow):
    def __init__(self, ics):
    	InstallWindow.__init__(self, ics)
        ics.setTitle(_("Automatic Partitioning"))
        ics.setNextEnabled(gtk.TRUE)
        ics.readHTML("autopart")
        self.parent = ics.getICW().window

    def getNext(self):
        if self.clearLinuxRB.get_active():
            self.partitions.autoClearPartType = autopart.CLEARPART_TYPE_LINUX
        elif self.clearAllRB.get_active():
            self.partitions.autoClearPartType = autopart.CLEARPART_TYPE_ALL
        else:
            self.partitions.autoClearPartType = autopart.CLEARPART_TYPE_NONE

        allowdrives = []
	model = self.drivelist.get_model()
	iter = model.get_iter_root()
	next = 1
	while next:
	    val   = model.get_value(iter, 0)
	    drive = model.get_value(iter, 1)

	    if val:
		allowdrives.append(drive)

	    next = model.iter_next(iter)

        if len(allowdrives) < 1:
            dlg = gtk.MessageDialog(self.parent, 0, gtk.MESSAGE_ERROR,
                                    gtk.BUTTONS_OK,
                                    _("You need to select at least one "
                                      "drive to have Red Hat Linux installed "
                                      "onto."))
            gui.addFrame(dlg)
            dlg.show_all()
            rc = dlg.run()
            dlg.destroy()
            raise gui.StayOnScreen

        self.partitions.autoClearPartDrives = allowdrives

        if not autopart.queryAutoPartitionOK(self.intf, self.diskset,
                                             self.partitions):
            raise gui.StayOnScreen
        
        if self.inspect.get_active():
            self.dispatch.skipStep("partition", skip = 0)
        else:
            self.dispatch.skipStep("partition")

        return None


    def getScreen(self, diskset, partitions, intf, dispatch):
        
        self.diskset = diskset
        self.partitions = partitions
        self.intf = intf
        self.dispatch = dispatch
        
        type = partitions.autoClearPartType
        cleardrives = partitions.autoClearPartDrives
        
        box = gtk.VBox(gtk.FALSE)
        box.set_border_width(5)

        label = gui.WrappingLabel(_(autopart.AUTOPART_DISK_CHOICE_DESCR_TEXT))
        label.set_alignment(0.0, 0.0)
        box.pack_start(label, gtk.FALSE, gtk.FALSE)

        # what partition types to remove
        clearbox = gtk.VBox(gtk.FALSE)
        label = gui.WrappingLabel(_("I want to have automatic partitioning:"))
        label.set_alignment(0.0, 0.0)
        clearbox.pack_start(label, gtk.FALSE, gtk.FALSE, 10)
        
        radioBox = gtk.VBox(gtk.FALSE)
        self.clearLinuxRB = gtk.RadioButton(
            None, _(autopart.CLEARPART_TYPE_LINUX_DESCR_TEXT))
	radioBox.pack_start(self.clearLinuxRB, gtk.FALSE, gtk.FALSE)
        self.clearAllRB = gtk.RadioButton(
            self.clearLinuxRB, _(autopart.CLEARPART_TYPE_ALL_DESCR_TEXT))
	radioBox.pack_start(self.clearAllRB, gtk.FALSE, gtk.FALSE)
        self.clearNoneRB = gtk.RadioButton(
            self.clearLinuxRB, _(autopart.CLEARPART_TYPE_NONE_DESCR_TEXT))
	radioBox.pack_start(self.clearNoneRB, gtk.FALSE, gtk.FALSE)

        if type == autopart.CLEARPART_TYPE_LINUX:
            self.clearLinuxRB.set_active(1)
        elif type == autopart.CLEARPART_TYPE_ALL:
            self.clearAllRB.set_active(1)
        else:
            self.clearNoneRB.set_active(1)
           
	align = gtk.Alignment()
	align.add(radioBox)
	align.set(0.5, 0.5, 0.0, 0.0)
	clearbox.pack_start(align, gtk.FALSE, gtk.FALSE)

        box.pack_start(clearbox, gtk.FALSE, gtk.FALSE, 10)

        # which drives to use?
        drivesbox = gtk.VBox(gtk.FALSE)
        label = gui.WrappingLabel(_("Which drive(s) do you want to use for "
                                    "this installation?"))
        label.set_alignment(0.0, 0.0)
        drivesbox.pack_start(label, gtk.FALSE, gtk.FALSE, 10)
        self.drivelist = createAllowedDrivesList(diskset.disks, cleardrives)

        # XXX bad use of usize
        self.drivelist.set_size_request(375, 80)

        sw = gtk.ScrolledWindow()
        sw.add(self.drivelist)
        sw.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
	sw.set_shadow_type(gtk.SHADOW_IN)
        
	align = gtk.Alignment()
	align.add(sw)
	align.set(0.5, 0.5, 0.0, 0.0)
        
        drivesbox.pack_start(align, gtk.FALSE, gtk.FALSE)

        box.pack_start(drivesbox, gtk.FALSE, gtk.FALSE)

        self.inspect = gtk.CheckButton()
        gui.widgetExpander(self.inspect)
        label = gtk.Label(_("Review (allows you to see and change the "
                            "automatic partitioning results)"))
        label.set_line_wrap(gtk.TRUE)
        gui.widgetExpander(label, self.inspect)
        label.set_alignment(0.0, 1.0)
        self.inspect.add(label)

        self.inspect.set_active(not dispatch.stepInSkipList("partition"))

	box.pack_start(self.inspect, gtk.TRUE, gtk.TRUE, 10)

        self.ics.setNextEnabled(gtk.TRUE)

	align = gtk.Alignment()
	align.add(box)
	align.set(0.5, 0.5, 0.0, 0.0)

	return align